110 Costanza Dr, Martinez, CA 94553 Property Records

Contra Costa County property record for 110 Costanza Dr, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,080 sqft · built 1988
Lot Size	0.359 acres (15,639 sqft)
Owner	Individual Name on Record
Last Sale	$634,000 (Mar 2015)
Tax Bill	$9,827 (2025)
Deeds & Mortgages	Dec 2021 Mortgage Mar 2022 Line of Credit + 2 more
Flood Zone	Zone X (minimal risk)
APN	`155-551-014-6`

Property Details

APN / Parcel Number

Primary APN	`155-551-014-6`
Alternative APN	`155-551-014`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	2,080 sqft Living Area
1st Floor Area	1,284 sqft
2nd Floor Area	796 sqft

Exterior

Year Built	Built 1988
Effective Year Built	Effective 1988
Lot Area	15,639 sqft (0.359 acres)
Garage Type	Attached
Garage Area	638 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	110 COSTANZA DR
City	MARTINEZ
State	CA
Zip	94553-6600
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T6758 L33
Legal Subdivision	SUBDIVISION 6758
Legal Tract	6758
Legal Lot Number	33
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3002
Census Tract	321102

Owner

Source: Contra Costa County records, as of July 14, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Mailing Address	110 COSTANZA DR, MARTINEZ, CA 94553-6600
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Sole Owner

Deeds, Mortgages & Sale History

Date	Document
Dec 14, 2021	Deed of Trust, Mortgage · Conventional Mortgage MUTUAL OF OMAHA MORTGAGE INC
Mar 29, 2022	Deed of Trust, Mortgage · Line of Credit US BANK NA
Jul 16, 2019	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS
Oct 4, 2017	Intrafamily Transfer, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 31, 2015 · Amount on Record
Deed Sale	Mar 31, 2015 · Amount on Record
Deed Document Number	201558078
Last Transfer Date	Sep 29, 2017
Transfer Doc	0000181719
Record Updated	Oct 29, 2026

December 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	110 COSTANZA DR, MARTINEZ, CA 94553-6600
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	TIMIOS INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	110 COSTANZA DR, MARTINEZ, CA 94553-6600

Mortgage

Document Number	0000338547
Date	Dec 14, 2021
Instrument	2021-338547

Lender

Name	MUTUAL OF OMAHA MORTGAGE INC
Type	Mortgage Company
Address	SAN DIEGO, CA 92108

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jan 1, 2052

March 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	110 COSTANZA DR, MARTINEZ, CA 94553-6600
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	RADIAN SETTLEMENT SVCS INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	110 COSTANZA DR, MARTINEZ, CA 94553-6600

Mortgage

Document Number	0000054141
Date	Mar 29, 2022
Instrument	2022-054141

Lender

Name	US BANK NA
Type	Bank
Address	CINCINNATI, OH 45202

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Mar 10, 2052

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

July 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	110 COSTANZA DR, MARTINEZ, CA 94553-6600
Document Number	0000113090
Instrument Date	Jul 16, 2019
Transaction Type	Mortgage
Record Updated	Jul 30, 2019
Title Company	FIDELITY NATIONAL TITLE, FIDELITY TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	110 COSTANZA DR MARTINEZ CA 945536600, MARTINEZ, CA 94553-6600

Mortgage

Document Number	0000113090
Date	Jul 22, 2019
Instrument	113090

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jul 21, 2049

October 2017: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Oct 4, 2017
Property Address	110 COSTANZA DR, MARTINEZ, CA 94553-6600
Document Number	0000181719
Map Reference	MB305 PG13
Instrument Date	Sep 29, 2017
Instrument	2017-181719
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	NORTH AMERICAN TITLE CO INC

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	110 COSTANZA DR, MARTINEZ, CA 94553-6600

Mortgage

Document Number	0000181721
Date	Oct 4, 2017
Instrument	2017-181721

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Oct 1, 2047

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	Martinez City
Unified School District	Martinez Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$777,201 (+2%) Land $367,762 Building $409,439
2025	$9,827.00 (+6.51%) Homeowner's exemption	$761,962 (+4.04%) Land $360,551 Building $401,411
2023	$9,226.00 (+1.69%) Homeowner's exemption	$732,376 Land $346,551 Building $385,825
2022	$9,073.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Claims	2 (1982–1995)
Claims Outside the SFHA	1 of 2
Most Recent Claim	Jan 1995 · Severe Winter Storms, Flooding, Landslides, Mud Flows

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Moderate above 51% of the US · lower than 70% of California
Wildfire Likelihood	0.1% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003
Water Source	Surface water
Last State Inspection	Jan 2022
Lead	Under 1 ppb (2026–2028) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 329 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless · DSL	100 / 20

May also be available: Astound Broadband, Verizon.

Nearby Properties on Costanza Dr

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures